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149075320 = 23533711059
BaseRepresentation
bin10001110001010…
…11010101111000
3101101111210220011
420320223111320
5301130402240
622443111304
73460055632
oct1070532570
9341453804
10149075320
1177170549
1241b12534
1324b67064
1415b27a52
15d14a6ea
hex8e2b578

149075320 has 32 divisors (see below), whose sum is σ = 336445200. Its totient is φ = 59447808.

The previous prime is 149075287. The next prime is 149075321. The reversal of 149075320 is 23570941.

149075320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149075321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7951 + ... + 19009.

Almost surely, 2149075320 is an apocalyptic number.

149075320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

149075320 is an abundant number, since it is smaller than the sum of its proper divisors (187369880).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

149075320 is a wasteful number, since it uses less digits than its factorization.

149075320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11407 (or 11403 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 149075320 is about 12209.6404533467. The cubic root of 149075320 is about 530.2352343705.

The spelling of 149075320 in words is "one hundred forty-nine million, seventy-five thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 337 674 1348 1685 2696 3370 6740 11059 13480 22118 44236 55295 88472 110590 221180 442360 3726883 7453766 14907532 18634415 29815064 37268830 74537660 149075320